Solna Centrum Station, Stockholm.
The tallest skyscraper in London as seen from More London
The Tulip Stairs
The Tulip Stairs inside the Queen's House in Greenwich, London. It's the first centrally unsupported helical stairs constructed in England
The Gherkin, 30 St. Mary's Axe, as seen from the Skygarden on the 37th floor of 20 Fenchurch street, known as the "Walkie Talkie".
The stunning architecture inside the MyZeil shopping centre, in the heart of Frankfurt am Main, Germany
The staircase Eye
The hypnotic pattern on the floor at the base of the Tulip staircase inside the Queen's House
The magnificent spiral staircase inside Heal's department store in London.
The Dome - St. Paul's Cathedra
The magnificent interior of St Paul's Cathedral in London.
At 111.3 metres high, it is one of the largest cathedral domes in the world.
The unusually well preserved Greek Doric temple in Segesta.
Brunkeberg Tunnel - Stockhol
This tunnel is a 231-metre-long passageway for pedestrians in Stockholm, Sweden
One of the beautiful period staircases inside the Somerset House, London.
Landscapes and Nature